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DellDNDNS-200 Exam

Dell Networking Professional Exam

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Version: 9.0

Question: 1



Refer to the exhibits.A network engineer has worked with PC support to install a new PC. After correctly configuring thePC’s interfaces with valid IP addresses, the PC is not able to ping other devices on the192.168.13.0/24 network.The output from the PC after executing the command ipconfig /all is below:The network engineer executes the command show mac address-table on the N-series switch towhich the PC is connected.The output of the show mac address-table command is below.What are two reasons that the PC is unable to ping other devices? (Choose two.)

A. The ARP table is corrupt on the PC and is not allowing the PC to register its MAC address with theswitch.B. The default gateway needs to be configured for the network 192.168.13.0/24 to ping devices onthe 192.168.13.0/24 network.C. The switch has not seen traffic from the PC and does not have an entry in the mac address tablefor the PC.D. The switch is not registering MAC addresses in the MAC address table and needs to be reset.E. The port on the N-Series switch that the PC is connected to is shut down.

Answer: A,C

Question: 2

The status LED is blinking RED for an N-Series switch.Which system behavior is indicated?

A. The switch is booting.B. A noncritical system error has occurred.C. Normal operation is occurring.



D. A critical system error has occurred.

Answer: B

References:Dell Networking N-Series N1500, N2000, N3000, and N4000 Switches User’s Configuration Guide.Page 106.

Question: 3

Refer to the exhibit.A network engineer is called onsite to troubleshoot replication failure and traffic loss. Wheneverreplication occurs between SAN A and SAN B, users report traffic loss between sites, and replicationultimately fails due to traffic loss.Based on the topology shown, what is the most likely cause of the traffic loss?

A. Traffic needs to be policed on the site border routers.B. An inbound policy map needs to be defined on the site border that marks the replication trafficwith a DSCP value of 46.C. An outbound policy map needs to be defined on the site border that marks the replication trafficwith a DSCP value of 46.D. Traffic needs to be shaped on the site border routers.

Answer: C

In Quality of Service, DSCP value 46 is high-priority traffic.

Question: 4



Refer to the exhibit of the N-series switches.The exhibit shows a Layer 2 network between Host A (a Desktop Computer running Windows 7) andHost B (another Desktop Computer running Windows 7) and the list of VLANs Untagged (U) andTagged (T) at each Ethernet interface: Host A transmits an Ethernet frame untagged on VLAN 1.What will happen to the Ethernet frame?

A. SW2 drops the Ethernet frame when trying to transmit it out of interface E2 because the incomingand outgoing interfaces are Tagging/Untagging VLAN 1 differently.B. The Ethernet frame is successfully delivered to Host.C. STP drops the Ethernet frame because it cannot create an end-to-end loop free path between theswitches for VLAN 1.D. VLAN consistency protocol determines that the VLAN is not correctly Tagged/Untagged on allinterfaces, an error will occur, and SW1 will drop the frame on interface E2.

Answer: B

Question: 5



Refer to the exhibit.Considering the network topology and information shown, what is an issue with end point devices innetwork 192.168.102.0/24 that try to route to 192.168.101.0/24?

A. ICMP RedirectsB. Suboptimal RoutingC. Routing LoopD. Summarization Black Hole

Answer: C

Question: 6



Refer to the Exhibit.A network engineer receives the output shown when removing MLAG from a pair of N-Seriesswitches.Which sequence of steps must the engineer complete to remove the vpc peer-link from Port Channel1?

A. Shut down the Port Channel interfaceIssue the no vpc peer-link command on the Port ChannelB. Remove the vpc feature using the no feature vpc commandIssue the no vpc peer-link command onthe Port ChannelC. Remove the channel-group command from all members of the Port ChannelIssue the no vpc peer-link command on the Port ChannelD. Remove peer-keepalive enable using the no peer-keepalive enable commandIssue the no vpcpeer-link command on the Port Channel

Answer: D

Question: 7

A network engineer has connected a Port Extender to a C-Series switch. While issuing the command“show pe brief” on the C-Series switch, the engineer sees a status of “offline”.Which two things could be causing the Port-Extender to show “offline”? (Choose two.)

A. Mismatched software versionB. Communication errorC. Physical interfaces are shutdownD. Incorrect Port-Channel numbering



Answer: A,B

Question: 8



Refer to the exhibits.A customer upgrades its C-Series switch and is experiencing a constant boot loop.Which two options allow the switch to boot successfully using the newer firmware? (Choose two.)A)



B)

C)

D)

E)

A. Option AB. Option BC. Option CD. Option DE. Option E

Answer: A,E



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